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Code Issues Releases Activity

[exosphere] Support for new exo config

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This commit is contained in:
Kostas Missos 2019-02-24 02:34:04 +02:00
parent de830df7e7
commit c8052e5b50
3 changed files with 70 additions and 24 deletions
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10
bootloader/hos/hos.c
View file

@ -2,7 +2,7 @@
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 st4rk
* Copyright (c) 2018 Ced2911
* Copyright (c) 2018 CTCaer
* Copyright (c) 2018-2019 CTCaer
* Copyright (c) 2018 balika011
*
* This program is free software; you can redistribute it and/or modify it
@ -518,9 +518,6 @@ int hos_launch(ini_sec_t *cfg)
gfx_printf(&gfx_con, "Rebuilt and loaded pkg2\n");
// Unmount SD card.
sd_unmount();
gfx_printf(&gfx_con, "\n%kBooting...%k\n", 0xFF96FF00, 0xFFCCCCCC);
// Clear pkg1/pkg2 keys.
@ -573,7 +570,10 @@ int hos_launch(ini_sec_t *cfg)
// Config Exosphère if booting full Atmosphère.
if (ctxt.atmosphere && ctxt.secmon)
config_exosphere(ctxt.pkg1_id->id, ctxt.pkg1_id->kb, ctxt.debugmode);
config_exosphere(ctxt.pkg1_id->id, ctxt.pkg1_id->kb, (void *)ctxt.pkg1_id->warmboot_base, ctxt.pkg1, ctxt.debugmode);
// Unmount SD card.
sd_unmount();
// Finalize MC carveout.
if (ctxt.pkg1_id->kb <= KB_FIRMWARE_VERSION_301)

72
bootloader/hos/secmon_exo.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (C) 2018 CTCaer
* Copyright (C) 2018-2019 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -17,25 +17,43 @@
#include <string.h>
#include "hos.h"
#include "../mem/heap.h"
#include "../storage/sdmmc.h"
#include "../utils/types.h"
typedef struct _exo_cfg_t
{
vu32 magic;
vu32 fwno;
vu32 flags;
vu32 rsvd;
} exo_cfg_t;
typedef struct _atm_meta_t
{
uint32_t magic;
uint32_t fwno;
} wb_cfg_t;
#define ATM_WB_HEADER_OFF 0x244
#define ATM_WB_MAGIC 0x30544257
// Exosphère mailbox defines.
#define EXO_MAGIC_ADDR 0x40002E40
#define EXO_MAGIC_VAL 0x31434258
#define EXO_FWNO_ADDR 0x40002E44
#define EXO_FLAGS_ADDR 0x40002E48
#define EXO_CFG_DEPR_ADDR 0x40002E40 // Deprecated.
#define EXO_CFG_ADDR 0x8000F000
#define EXO_MAGIC_DEPR_VAL 0x31434258
#define EXO_MAGIC_VAL 0x304F5845
#define EXO_FLAG_620_KGN (1 << 0)
#define EXO_FLAG_DBG_PRIV (1 << 1)
#define EXO_FLAG_DBG_USER (1 << 2)
void config_exosphere(const char *id, u32 kb, bool debug)
void config_exosphere(const char *id, u32 kb, void *warmboot, void *pkg1, bool debug)
{
u32 exoFwNo = 0;
u32 exoFlags = 0;
vu32 *mb_exo_magic = (vu32 *)EXO_MAGIC_ADDR;
vu32 *mb_exo_fw_no = (vu32 *)EXO_FWNO_ADDR;
vu32 *mb_exo_flags = (vu32 *)EXO_FLAGS_ADDR;
volatile exo_cfg_t *exo_cfg_depr = (exo_cfg_t *)EXO_CFG_DEPR_ADDR;
volatile exo_cfg_t *exo_cfg = (exo_cfg_t *)EXO_CFG_ADDR;
switch (kb)
{
@ -53,14 +71,42 @@ void config_exosphere(const char *id, u32 kb, bool debug)
break;
}
if (kb >= KB_FIRMWARE_VERSION_620)
if (kb == KB_FIRMWARE_VERSION_620)
exoFlags |= EXO_FLAG_620_KGN;
if (debug)
exoFlags |= EXO_FLAG_DBG_PRIV;
// Set mailbox values.
*mb_exo_magic = EXO_MAGIC_VAL;
*mb_exo_fw_no = exoFwNo;
*mb_exo_flags = exoFlags;
exo_cfg_depr->magic = EXO_MAGIC_VAL;
exo_cfg->magic = EXO_MAGIC_VAL;
exo_cfg_depr->fwno = exoFwNo;
exo_cfg->fwno = exoFwNo;
exo_cfg_depr->flags = exoFlags;
exo_cfg->flags = exoFlags;
volatile wb_cfg_t *wb_cfg = (wb_cfg_t *)(warmboot + ATM_WB_HEADER_OFF);
if (wb_cfg->magic == ATM_WB_MAGIC)
{
wb_cfg->fwno = exoFwNo;
sdmmc_storage_t storage;
sdmmc_t sdmmc;
// Set warmboot binary rsa modulus.
u8 *rsa_mod = (u8 *)malloc(512);
sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4);
sdmmc_storage_set_mmc_partition(&storage, 1);
sdmmc_storage_read(&storage, 1, 1, rsa_mod);
sdmmc_storage_end(&storage);
// Patch AutoRCM.
rsa_mod[0x10] = 0xF7;
memcpy(warmboot + 0x10, rsa_mod + 0x10, 0x100);
}
}

4
bootloader/hos/secmon_exo.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (C) 2018 CTCaer
* Copyright (C) 2018-2019 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -19,6 +19,6 @@
#include "../utils/types.h"
void config_exosphere(const char *id, u32 kb, bool debug);
void config_exosphere(const char *id, u32 kb, void *warmboot, void *pkg1, bool debug);
#endif